HomeBelts and Cooling > Hoses and PipesGates CO34919 Engine Coolant Filler Neck
Part #: CO34919

Gates CO34919 Engine Coolant Filler Neck

Coolant Outlet
12 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Coolant Outlet
Fitment: Scion and Toyota, xA, xB, and Echo
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Gates Coolant Outlet CO34919

The Gates Coolant Outlet CO34919 is a precision-engineered engine coolant filler neck designed for reliable performance in select Toyota and Scion vehicles. Manufactured from durable plastic, this part ensures proper coolant flow and system integrity for models including the Toyota Echo, xA, and xB.

  • Material: High-quality plastic construction
  • Exact OE fit for Toyota and Scion models
  • Two bolt holes for secure mounting
  • Dual outlet diameters: 1.22 inches and 0.325 inches outside diameter
  • Compatible with engine coolant systems requiring a filler neck without gaskets or seals

Detailed Product Description

The Gates Coolant Outlet CO34919 is part of the Coolant Outlet product line, which focuses on components that maintain the integrity of engine cooling systems. This coolant filler neck is designed with two outlet sizes—1.22 inches and 0.325 inches outside diameter—to accommodate specific hose connections. The inside diameters measure 1.01 inches and 0.224 inches respectively, ensuring a precise fit for coolant flow. With two bolt holes, the filler neck mounts securely without the need for additional gaskets or seals, simplifying installation and maintenance.

Compatible Vehicles and Applications

This engine coolant filler neck is compatible with the following vehicles:

  • Toyota Echo
  • Toyota xA
  • Toyota xB
  • Scion Echo
  • Scion xA
  • Scion xB

It is designed to replace the original equipment exactly, ensuring proper coolant system function and preventing leaks or overheating issues.

Common Issues Addressed by This Part

  • Cracked or damaged coolant filler necks causing coolant leaks
  • Loose or worn mounting points leading to coolant system pressure loss
  • Incorrect hose fitment resulting in coolant flow restrictions
  • Degraded plastic components from heat exposure
  • Replacement of non-OE parts with an exact fit solution

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation to avoid burns
  • Verify the two bolt holes align with the mounting points on the vehicle
  • Inspect connected hoses for wear or damage and replace if necessary
  • Use proper torque specifications for bolts to avoid overtightening
  • No gaskets or seals are required with this part, simplifying installation

Quality Assurance and Warranty

The Gates Coolant Outlet CO34919 is manufactured to meet or exceed original equipment specifications. It is an exact OE replacement part, ensuring compatibility and durability. Gates products typically come with a limited warranty against defects in material and workmanship; please refer to Gates' official warranty policy for specific terms.

BrandGates
Part NumberCO34919
PositionCoolant Outlet
0
No
Bolt Hole Quantity2
By-Pass HolesNo
ContentsCoolant Filler Neck
Gasket Quantity0
MaterialPlastic
Number of Bolt Holes2
Number of Gaskets0
Number of Seals0
OE ExactYes
Outlet Inside Diameter.224
Outlet Inside Diameter1.01
Outlet Inside Diameter 1 (in)1.01
Outlet Inside Diameter 2 (in).224
Outlet Outside Diameter.325
Outlet Outside Diameter1.22
Outlet Outside Diameter 1 (in)1.22
Outlet Outside Diameter 2 (in).325
TypeCoolant Filler Neck
TypeCoolant Filler Neck

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2006ScionxA1.5LL4GASN/ACoolant Fill Flange; Coolant Outlet
2006ScionxB1.5LL4GASN/ACoolant Fill Flange; Coolant Outlet
2005ScionxA1.5LL4GASN/ACoolant Fill Flange; Coolant Outlet
2005ScionxB1.5LL4GASN/ACoolant Fill Flange; Coolant Outlet
2005ToyotaEcho1.5LL4GASN/ACoolant Fill Flange; Coolant Outlet
2004ScionxA1.5LL4GASN/ACoolant Fill Flange; Coolant Outlet
2004ScionxB1.5LL4GASN/ACoolant Fill Flange; Coolant Outlet
2004ToyotaEcho1.5LL4GASN/ACoolant Fill Flange; Coolant Outlet
2003ToyotaEcho1.5LL4GASN/ACoolant Fill Flange; Coolant Outlet
2002ToyotaEcho1.5LL4GASN/ACoolant Fill Flange; Coolant Outlet
2001ToyotaEcho1.5LL4GASN/ACoolant Fill Flange; Coolant Outlet
2000ToyotaEcho1.5LL4GASN/ACoolant Fill Flange; Coolant Outlet

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

165022101081587686056902-679CH7679

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.